Communication system



Aug. 14, 1945. w. M. BACON ET Al.

COMMUNICATION SYSTEM Filed March l5, 1941 95 Sheets-Sheet l Aug. 14, 1945.

W. M` BACON ET AL COMMUNICATION SYSTEM Filed March l5, 1941 95 Sheets-Sheet 2 SWITCH/NG CONTROL CC7 (SELEcToR ccr) SWITCH/N6 CONTROL CCT (SELEcToR ccT) l@ im w 235 l H 38 1&1 mum 240 242 REC.;

/2/5 {2/7 f2/9 I 1r u i Sw/TcH//va s coNTRoL ccT. Sw/TcH// CONTROL I SWITCH/666% colvTRoL (SELECTOR ccz) (SELECTOR ccr) (SELECTOR ccT.)

' l J l J L;

A TTOFPNEV COMMUNICATION SYSTEM Filed March 15, 1941 93 Sheets-Sheet 3 OUTGO//VG LINE CCT.

323 320 CCT' START TRANS. TYPE OUTGO/NG sla/V41. WST L//vL C005 TRA/vs. TYPE CC 7" o/sr.,

TRANS cou/N6 l L/NE REC' C C T- oN/ r 337/ 339 ccr. CODE ccT. o/sr.

a/sT- A 7` TOR/VE Y Aug. 14, 1945. W. M. BACON ET AL. 2,381,871

COMMUNICATION SYSTEM Filed March l5, 1941 93 Sheets-Shea*I 4 PERE LOCA L TRANSMITTERS /NTERCEPT LINES 4 WM. BACON INVENTORS; FSJNKEAD By LAK/arca( ATTORNEV W. `M. BACON ET AL COMMUNICATION SYSTEM Filed March l5, 1941 Aug, 14,v 1945.v

95 Sheets-Sheet 5 Aug. 14, 1945. w. M. BACON 'E-r Al.

` COMMUNICATION SYSTEM Filed March l5, 1941 93 Sheets-Sheet 6 ATTORNEY Filed March 15 1941 93 Sheets-Sheet 7 By J. A. /mscE/r A T TORNE V Aug. 14, 1945. w. M. BACON ET A1.

COMMUNICATION SYSTEM Filed March 15, 1941 93 Sheets-Sheet 8 iA/,BACON /Nl/ENTORS: FSK/NKED By JAQKRECEK ATTORNEY Aug. 14, 1945.

W. M. BACON ET AL COMMUNICATION SYSTEM Filed March l5, 1941 93 Sheets-Sheet 9 ATTORNEY Aug. 14, 1945. w. M. BACON E'r AL 2,381,871

COMMUNICATION sYsT'EM Filed March 15, 1941 93 Sheets-Sheet 10 POLAR/Z50 POLAR/Z50 POLAR/Z50 MMBACN /NVENTORSI RS K/NKED By J.A.KRECEK Aug. 14, 1945. w. M. BACON ET Al.

COMMUNICATION SYSTEM AFiled March l5, 1941 93 Sheets-Sheet 12 Q ...Ek

MMBACON IN1/E N TOPS 0 AK w NE /R N xx. $.A FJ. J n MW. A V. `nD uw SQ lll l' Aug. 14, 1945. w. M. BACON ET AL COMMUNICATION SYSTEM 9s sheets-sheet 13 Filed March 15, 1941 EN@ QN@ QON@ QE QQ MOS A T TORNE V Aug. 14, 1945.

W. M. BACON ET AL COMMUNICATIAON SYSTEM Filed March 15, 1941 95 shee'ts-shee'f. 14

FIG/5 Aug 14 1945- w. M. BACON ET AL COMMUNICATION SYSTEM Filed March 15, 1941 93 Sheets-Sheet l5 QMS . M. BACON /NI/ENTORS S. K//V/(EAD By J. A. KRECEK zu. im; /WM

ATTORNEY Aug. 14., 1945. w. M. BACON ET AL 2,381,871

COMMUNICATION SYSTEM Filed Maroh 15, 1941 95 Sheets-Sheet 16 A TTORNE V Aug. 14, 1945. w. M. BACON ET AL COMMUNI CATION SYSTEM Filed March 15', 1941 93 Sheets-Sheet 17 Emi SNT

SSP!

W M. BACON ft s. /r/NKEAD .1.4. /rRicE/r A TTOR/VE V' Aug- 14 1945. w. M. BACON ET AL. 2,381,871

COMMUNICATION SYSTEM Filed March l5, 1941 93 Sheets-Sheet 18 ATTORNEV I Aug. 14, 1945. w. M. BACON ET Al.

COMMUNICATION SYSTEM Filed March l5, 1941 95 Sheets-Sheet 19 @QQ llllllr By .LA/meca( A TTORNE V Aug 14, 1945- w. M. BACON ET Ax. 2,381,871

COMMUNICATION SYSTEM Filed March 15, 1941 95 Sheets-Sheet 2O POLAR/ZE D ATTORNEY 

